 last as long as we do and that would stand up to how hard we are on our gear. And they have developed that speaker box, and it is called the Turtle Box. And it sits there and plays music all day long with you. If you've got a buddy with a second one, you can pair them up so that you're both listening to the same music all at the same time. And it has really just changed the way that we have our music on the water or, you know, anywhere outdoors with you.